111411788273428 has 48 divisors (see below), whose sum is σ = 202531725950400. Its totient is φ = 53561615072000.

The previous prime is 111411788273369. The next prime is 111411788273447. The reversal of 111411788273428 is 824372887114111.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172597776 + ... + 173242072.

It is an arithmetic number, because the mean of its divisors is an integer number (4219410957300).

Almost surely, 2^{111411788273428} is an apocalyptic number.

It is an amenable number.

111411788273428 is a deficient number, since it is larger than the sum of its proper divisors (91119937676972).

111411788273428 is a wasteful number, since it uses less digits than its factorization.

111411788273428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650520 (or 650518 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 58.

The spelling of 111411788273428 in words is "one hundred eleven trillion, four hundred eleven billion, seven hundred eighty-eight million, two hundred seventy-three thousand, four hundred twenty-eight".